List of practice Questions

The probability of drawing an honour card from a well shuffled pack of 52 playing cards is (K,Q,J,A are honour cards)
The probability of getting at least 2 heads, when an unbiased coin is tossed 6 times is
The probability of getting tail, when an unbiased coin is tossed is
The probability of guessing correctly at least $8$ out of $10$ answers on a true-false type examination is
The probability of an event lies in
The probability of drawing a card which is at least a spade or a king from a well shuffled pack of cards is
The principal value of $\sin^{-1} \left(\sin \frac{2\pi}{3}\right) $ is:
The principle involved in paper chromatography is
The probability density plots of $1s$ and $2s$ atomic orbitals are given in figures.
The density of dots in a region represents the probability density of finding electrons in the region. On the basis of the above diagram, which of the following statements is incorrect?
The principal functional group in the compound $BrCH_2CH(OH)CH_2COCH_2NO_2$ is
The principal gas evolved from sludge digestion tank is
The principal value of $\sin^{-1} \left( - \frac{\sqrt{3}}{2} \right)$ is :
The primary treatment of waste water involves the removal of
The primary valency of iron in $K_4[Fe(CN)_6$ is
The primary winding of a transformer has 100 turns and its secondary winding has 200 turns. The primary is connected to an A.C. supply of 120 V and the current flowing in it is 10 A. The voltage and the current in the secondary are
The prime source of taxonomic studies is
The pressure-volume work for an ideal gas can be calculated by using the expression $W = - \int\limits^{V_{f}}_{V_i} P_{ex} \,dV$. The work can also be calculated from the $PV -$ plot by using the area under the curve within the specified limits. When an ideal gas is compressed $(i)$ reversibly or $(ii)$ irreversibly from volume $V_i$ to $V_f$. Choose the correct option.
The prickly pear cactus became unusually abundant after its introduction in Australia, because it
The primary difference between the apoplast and the symplast is that the
The primary lymphoid organs are
The preserved fossil remains of Archaeopteryx show that
The pressure and density of a diatomic gas $\left(\gamma=\frac{7}{5}\right)$ change adiabatically from $\left(P, ?\right)$ to $\left(P? If $\frac{\rho'}{\rho}=32$, then $\frac{P '}{P}$ is
The pressure o f a $1 : 4$ mixture of dihydrogen and dioxygen enclosed in a vessel is one atmosphere. What would be the partial pressure of dioxygen?
The practical purpose of classification of living organisms is to
The power of a lens used to remove the myopic defect of eye is 0.66D: The far point of this eye is (nearly)